Chinese Covid Vaccine "Reached Efficacy Threshold": Brazil Institute
Clinical trials of the CoronaVac coronavirus vaccine developed by Chinese laboratory Sinovac have "reached the efficacy threshold" demanded by the World Health Organization, the Brazilian institute...
from NDTV News - World-news https://ift.tt/3hmK1cM
via Pooja Kumari
from NDTV News - World-news https://ift.tt/3hmK1cM
via Pooja Kumari
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